Where indicated, doors shall be provided with full louvers or louver
section. Louvers shall be sightproof type inserted into the door. Pierced
louvers shall not be used. Inserted louvers shall be stationary and shall
be nonremovable from the attack side of forced entry resistant doors.
[Insect screens shall be removable type with 18 by 16 mesh aluminum or
bronze cloth.] The free area of the total square meters square feet of the
louver shall be [17 percent for channel style louvers] [39 percent for
chevron style louvers (inverted angles at 25 mm 1 inch on center)] [[_____]
percent]. Louvers shall be in accordance with AMCA 500-D airflow test;
minimum airflow shall be [[_____] percent for channel style] [[_____]
percent for chevron style] [[_____] percent]. Airflow calculations and
test data showing compliance shall be submitted.
2.2
FORCED ENTRY RESISTANT LOUVERS
Louvers and frames shall be fabricated from steel shapes to the opening
dimensions indicated. The free area of the total square meters square feet
of the louver shall be [17 percent for channel style louvers] [39 percent
for chevron style louvers (inverted angles at 25 mm 1 inch on center)]
[[_____] percent]. Louver submitted shall have been tested in accordance
with AMCA 500-D airflow test; minimum airflow shall be [[_____] percent for
channel style] [[_____] percent for chevron style] [[_____] percent].
Airflow calculations and test data showing compliance shall be submitted.
2.3
FORCED ENTRY RESISTANT WINDOW ASSEMBLIES
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NOTE: Forced entry resistant glazing materials may
be glass, plastic, or composites. Specify glazing
only at the "very low" or "low" threat severity
levels. Do not specify glazing thickness.
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Forced entry resistant window assemblies shall be constructed using forced
entry resistant frame sections. Frames shall be welded units of sizes and
shapes indicated with minimum frame face dimensions of 50 mm 2 inches.
Frame anchorage shall be as specified by the manufacturer and forced entry
resistant to the same degree as the component. Top height and rabbet depth
shall be as required to accommodate the glazing material resistant to the
forced entry test standard specified. Exterior (attack side) glazing stops
shall be welded to or integral to the frame. Interior (protected side)
glazing stops shall be removable stops attached with high-strength alloy
steel machine screws with tamper-resistant heads, or as required by the
manufacturer.
2.3.1
Deal Trays
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NOTE: Install in windows only; do not use in doors.
**************************************************************************
Deal tray shall provide nominal 325 mm 12-3/4 inch wide by 40 mm 1-5/8 inch
high opening in sill of window frame [and shall include a 165.1 mm 6-1/2
inch steel writing ledge on exterior side of window] [and shall be provided
with a weatherproof closure]. Deal tray shall be of the same materials and
finish, shall be a welded subassembly of the window assembly, and shall
conform to specified forced entry requirements for the entire window
assembly.
SECTION 11025
Page 23
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